Vaillant V 12-025 HWI Training Manual page 42

9 PCB Explanation
two circles and then stops at the starting position
to be idle for 30s for protection.
7. The assistant electric heating working condition:
The assistant electric heating will be operated
automatically when all of the following conditions are met.
1) The compressor has run for 3 minutes and the
indoor fan runs at the low speed or quicker speed;
2) Tr 20 ;
3) Tp1 49 (Tp 48 );
The assistant electric heating will be turned off
automatically when one of the following conditions is met:
1) The indoor fan stops to run or blows out the slight
breeze;
2) Tr 23 ;
3) Tp1 50 ;
8. The high-power operation in the heating mode:
1) The characteristic of the high-power operation in
the cooling mode are: both of the compressor and
outdoor fan are turned on and the indoor fan runs at
the high speed. The wind speed is neither indicated
nor adjustable.
2) As for the Jingling common remote controller, if you
press the "HIGH-POWER" key, the air conditioner will
begin the high-power operation mode; Press the key
again, the air condition will exit from the mode. As
regarding to the Weineng remote controller, if you press
the "HIGH-POWER" key, the air conditioner will begin to
run in the high-power operation mode and when you
press the key again, the air conditioner will keep running
for 15 minutes and then exits from the mode
automatically. After exiting from the high-power operating
mode, the air conditioner restores the working condition
before. Besides, in the high-power operating, the working
state can be reset by pressing other keys (except for ON/
OFF key, MODE key, SLEEP key and WIND SPEED key).
3) On the timing starting up state, the high-power
operation is available. The air conditioner will begin
to run in the high-power operating mode when the
timing time is reached.
4) During the high-power operating, the air conditioner
has the anti-cold wind function, overloading protection
and overheating protection function.
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5) Only when Tp1 meets the setting condition can the
air condition runs at the high speed for high-power
operation.
6) The air conditioner will automatically exit from the
high-power operating mode after running for 15
minutes.
9. Overheating protection function:
When the temperature of indoor coil Tp1 is no lower
than 63 ºC, both of the compressor and the outdoor
fan are shut down, but the indoor fan runs at the
setting speed. If the condition that the compressor is
started up is met, the compressor will be restarted
up 6 minutes later. If Tp1 is no lower than 63 ºC
within 10 minutes, turn off all equipment and the
display screen will show E8.
10. Anti-cold wind function:
The details can be referred to the working curve of
indoor fan in heating mode. In heating mode, when
the indoor fan is shut down, the corresponding
running lights (icon) will be lightened, which indicates
that the indoor fan is in the anti-cold wind state. The
time for the light to run or be off is 0.5 seconds
Ventilating mode:
1. The range of setting temperature: 16ºC - 32ºC
2. Compressor working condition:
In the ventilating mode, the compressor keeps closed.
3. Outdoor fan working condition:
In the ventilating mode, the outdoor fan keeps closed.
4. Indoor fan working condition:
The working condition of indoor fan in the ventilating
mode is similar to that in cooling mode.
5. Four-way valve working condition:
In the ventilating mode, the four-way valve keeps
closed.
6. The working condition of outdoor air door:
The working condition of indoor fan in the ventilating
mode is in line with that in cooling mode.
Timing function:
1. The time of timing ON/ OFF can be set through the
remote controller and the range of the time is from 1
hour to 24 hours.
2. When the air conditioner is turned on, if you set the
timing ON, the air conditioner will be shut off
Split Type Installation Manual